90440751104071 has 2 divisors, whose sum is σ = 90440751104072. Its totient is φ = 90440751104070.

The previous prime is 90440751103981. The next prime is 90440751104087. The reversal of 90440751104071 is 17040115704409.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 90440751104071 - 2⁷ = 90440751103943 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90440751104771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45220375552035 + 45220375552036.

It is an arithmetic number, because the mean of its divisors is an integer number (45220375552036).

Almost surely, 2^{90440751104071} is an apocalyptic number.

90440751104071 is a deficient number, since it is larger than the sum of its proper divisors (1).

90440751104071 is an equidigital number, since it uses as much as digits as its factorization.

90440751104071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 141120, while the sum is 43.

The spelling of 90440751104071 in words is "ninety trillion, four hundred forty billion, seven hundred fifty-one million, one hundred four thousand, seventy-one".